/* banner */
.banner {
  background: transparent;
  overflow: hidden;
  /* 背景视频 */
  /* 主页文字描述 */
}
.banner #background {
  position: absolute;
  right: 0;
  top: 0;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  z-index: -99;
}
.banner .box {
  width: 100%;
  margin-top: 8em;
  /* 更多按钮 */
}
.banner .box .title {
  font-size: 3em;
  text-align: center;
  font-family: "OSLight";
  color: #999;
}
.banner .box .title span {
  font-family: "OSBold";
  color: #fcac45;
}
.banner .box .desc {
  text-align: center;
  font-size: 1.5em;
  color: #999;
  margin-bottom: 15em;
}
.banner .box .desc span {
  font-family: "OSBold";
}
.banner .box .more {
  width: 100%;
  text-align: center;
  margin-bottom: 10em;
}
.banner .box .more a {
  display: inline-block;
  width: 50px;
  height: 50px;
  border: 2px solid #fff;
  border-radius: 50%;
  font-size: 30px;
  color: #fff;
  text-decoration: none;
  transition: all 0.1s;
}
.banner .box .more a:hover {
  box-shadow: 0 0 2px 2px #c3c3c3;
  transform: scale(1.3);
}
@media screen and (max-width: 800px) {
  .banner .box .title {
    font-size: 2.2em;
    margin-bottom: 0.5em;
  }
  .banner .box .desc {
    font-size: 1.2em;
    margin-bottom: 40vh;
  }
}
